Full 25-point door and opener safety check with every visit - springs, cables, rollers, tracks, and your LiftMaster or Chamberlain opener included
You get a price before we start. It does not change when the truck arrives.
Raynor Cable & Drum Replacement: The Los Angeles Owner’s Guide
Raynor cable and drum replacement in Los Angeles typically runs $155-$295 installed, depending on whether it’s a single cable or a matched cable-and-drum pair. We stock Raynor-compatible cable assemblies and drums on our trucks, and most single-cable failures are back to working order the same day we arrive. The drum is the grooved wheel at each end of the torsion tube that guides the lifting cable as it winds and unwinds; the cable is the aircraft-grade steel line that runs from that drum down to the bottom bracket of the door. When a cable frays, the door starts lifting unevenly, and that’s usually the first thing an owner notices.
Key takeaways:
- Installed Raynor cable or drum replacement in Los Angeles: $155-$295
- We carry Raynor-compatible parts on the truck, including OEM and US-made aftermarket options
- Written flat price before any work starts, per Clause 1 of The Haven Standard
- Failed cables are a safety hazard because the torsion spring stays under tension even when the cable snaps
Which Raynor Models This Applies To
Raynor uses several drum profiles and cable lengths across its residential lineup, and the wrong drum will bind or throw the cable within a dozen cycles. The parts we replace most often come from the Relante, Centura, and Aspen series, along with older Pilot and Ponderosa models still common in mid-century Los Angeles homes. If your operator rail or motor housing still has the Raynor label, the model is usually printed on a white sticker near the hinge bracket or on the inside of the door section. If it’s not, we measure the drum’s outer diameter and cable length and match it against the Raynor drum chart.
One thing that trips up owners buying parts online: Raynor residential doors use a tapered drum profile on many models, which flattens the cable path as the door reaches the open position. That means a generic flat drum from a hardware store will bind, and the door will stall about two-thirds of the way up. For this part, OEM or a Raynor-spec aftermarket drum is the only way that makes sense. We are an independent service provider, not affiliated with Raynor, and we’ll tell you plainly when OEM is worth the price and when a US-made equivalent is the smarter spend. Marcus Deller has kept a worn copy of the manufacturer torque specs in his truck for years now, and matching a Raynor drum correctly is exactly the kind of thing those specs exist for.
Signs Your Raynor Cable & Drum Replacement Is Failing

- The door lifts crooked or hesitates on one side. A frayed cable has stretched, so one side of the door climbs while the other lags. The door usually still opens, but it fights itself the whole way.
- You hear a scraping or popping sound near the top of the track. That’s the cable slipping out of a worn drum groove. Once the cable leaves the groove, it wraps over itself and the popping gets worse quickly.
- The cable looks fuzzy or has visible broken strands. Raynor cables are galvanized steel, and when individual strands snap, the cable loses its rated strength. It hasn’t failed yet, but it will.
- You see a cable hanging loose or lying on the floor of the garage. This is a failed cable, not a failing one. The door may still open a few feet on the torsion spring’s remaining energy, then jam hard.
- The drum itself shows a groove that’s worn smooth or chewed at the edges. Over years of Los Angeles heat and dry air, the galvanized coating wears off and the steel cable acts like a file on the aluminum drum. A smooth groove means the drum can’t hold the cable under load anymore.
Before
AfterReplacement Cost & What’s Included
In Los Angeles, expect to pay $155-$295 installed for Raynor cable and drum replacement. The low end covers a single cable replacement on a door where the drum is still serviceable; the higher end covers both cables and both drums, which is what we recommend when the door has been run for years on worn components and the drums show real groove damage.
Here’s the breakdown:
- Single cable replacement (parts and labor): $155-$205
- Both cables replaced: $210-$260
- Both cables and both drums: $245-$295
- Reset and rebalance after cable failure: included with cable replacement
The price we quote is flat and written before we touch a bolt, and it doesn’t change once we’re on the ladder. Clause 1 of The Haven Standard is exactly that: a written price and written scope delivered before any work starts. Every cable and drum job closes with a documented photo record of what we found and what we did, and the work is covered by our 365-Day Done Right Promise. If it’s not right, we make it right.
DIY or Call Us?

We’re going to be direct about this one, because the tension involved is the whole story. The torsion spring above your Raynor door holds enough stored torque to lift a couple hundred pounds of door, and even with a snapped cable, that spring is still wound tight. The cable and drum are the load path for that energy. If you’ve noticed a frayed cable, you can safely photograph it and note which side it’s on, but do not attempt to unwind, re-spool, or replace a cable or drum yourself while the spring is wound. The spring must be unwound first using winding bars and the correct procedure, and getting that wrong is how people get seriously hurt.
What you can do safely: check the model sticker, take photos of the drum and cable on both sides, and have those ready when you call. That saves a trip and lets us confirm we’re bringing the right drum profile. Then call (213) 348-6550 and we’ll get a technician out with the parts needed for your Raynor model.
FAQs
In Los Angeles, Raynor cables typically last 7 to 12 years before strands start breaking, and drums usually outlast two cable replacements before the grooves wear smooth. Our dry climate actually helps, since coastal humidity is what accelerates corrosion, but if your garage faces a street with heavy dust or you live near the 405 corridor where grit settles on everything, expect the lower end of that range.
No, a frayed cable cannot be spliced or repaired safely. The cable is under high tension when the door moves, and any repair creates a weak point that will fail without warning. We replace the full cable assembly, because the cost difference between repair and proper replacement is measured in tens of dollars, and the risk difference is measured in garage-door-meets-car-or-worse. Call (213) 348-6550 for a written flat quote.
A single cable replacement usually takes 45 to 60 minutes, and a full both-cables-and-drums job runs about 90 minutes. We wind the torsion spring back to the correct number of quarter-turns, verify the door balances at the halfway point, and run a full cycle test before we pack up.
Yes, our technicians carry Raynor-compatible cable assemblies, drums, bottom brackets, and hinge hardware on every truck, along with parts for LiftMaster, Chamberlain, Genie, and the other brands we service. We don’t do the ‘we’ll order it and come back next week’ routine for this repair; most cable and drum jobs are done the same day.
If your Raynor door is lifting unevenly or you’ve spotted a frayed cable, call (213) 348-6550 and tell us what you’re seeing. We’ll give you a flat, written price before any work starts, and you’ll get the photo record of what we found when we leave. Name the part, quote the range, then do the work.
Written by Marcus Deller, Owner, Servo Garage Doors Los Angeles at Servo Garage Doors Los Angeles, serving Los Angeles and nearby areas.






Before
After
Before
After